Sr. Network Administrator

Job Description

Core Duties Responsible for designing, organizing, modifying, installing, and supporting the companys network systems. Designs and supports LANs, WANs, Internet and intranet systems, network segments, VPN tunnels, and Wifi systems. The Sr. Network Administrator is expected to provide escalation technical support for the team and be a lead in network project implementations. Configure and support LANs, WANs, VPNs, IPSec tunnels, network segments, Internet, and intranet systems. Install and maintain network hardware and software and create network diagrams and SOP s. Analyze and isolate network issues. Monitor networks to ensure security and availability to specific users and systems Complete firewall and switch log reviews to identify areas of opportunity Evaluate and modify system configurations to improve network performance. Complete service desk tickets Develop automation scripts for Firewall and Switches Resolve Escalations needs for the Networking team Determine network and system requirements. Support relationship development with ISPs across India locations (TATA, Airtel, etc.) Maintain integrity of the network, server deployment, and security. Ensure network connectivity throughout a companys LAN/WAN infrastructure is on par with technical considerations. Design and deploy networks infrastructure, including VLANs, DHCP scopes, firewall access rules etc. Assign routing protocols and routing table configuration for Layer3 site to site and switch routing Support customer s with IPSEC tunnel configurations using Phase 2 NAT ing Manage Cisco switch stacks in operations centers Assign configuration of authentication and authorization of directory services. Support scaled deployments of VPN configurations and other network optimizations Maintain Intrusion Detection, Intrusion Prevention and network AV/AM systems